jordan



l STATES i PATENT OFICE- 1winr,iAM n. JORDAN, or BROOKLYN, New ironie,

" YSIGNAL FOIRELECTRIC' RAILWAYS.

f sPncIFIcArroN farming part of Letters Patent No. 604,866, dated may 31, 1,898.

' f inminenteramgryis;1897. sentir. zkavza.' en man 1-'ie it. lg ;non'n that 1,'WILLIAM citizenbf theUnited States, residing at Brooklflfy'rjnin the county of Kings and State of New headcontact system, and Fig. 2 illustrates af ries the-.armatures for the magnets.

modified arrangement.

Referring to 1, A- is the main source,

B the overhead.conductor-and C one of the rails or otherl return-comluctor. D is the ltrolley, and E the motor which propels the car. Secured to the overhead conductor at lsuitable v,distanoesapart are two insulators F Ff., provided with .contact-plates 'G G', with whiclrthe trolley is adapted to makecontact. Il andIIaretwo electromagnets adapted to operatea pivoted switch-lever I, which car- Lever I is projided with a switchlblade ,which coperatesf with contact-plates J and J-L Contacti p ,l'ate `G is connected by wire 1 with one. end of the coil ofV magnet H, the other end of j it is desired to operate the signal.

the-'trolley 'rides onto contact-plate G, the4 which is connected to the trolley-wire Bfby wire 2. 4 lila-guet Iltis-'connected in the circuit 4, between the trolley-wire and contact-A plate G', .Contact J. iseonnectedto the trolleywire by wire". 5,-; and contact J is con-' nected vto the return-conductor C by.' wire 6, which contains the signaling devicesl, ,which may be of any suitable form, either visiblel,

or audible.

tion off-thc-road 'or kat a` street-crossing'and' Ythe contact G is located at the other endgfof thc block or section or at a point from which 'The operation is asfollows: WhenA-a car is traveling in 'thedirection of the ar'rw and motor will receive current through conduc- II. JonnAN, a

Contact G'., the signaling device K, and the signal-controlling switch-meclian.'A ism are located yat one end of a block or sec- Ac orsf2 and 1 and magnet H, and the magnet being energized it will attract its armature, operating the switch and closing the signal-4 contact G, vcircuit 1 2 will bev opened; but the friction between the switchiblade and contacts .I and'J' will maintain the switch closed, and the signal willremain set until the trol# ley rides onto contact G', whenthe motorwill receive current through circuit 3 4 and magnet H' will be energized. This magnet then lever to'openlth'e signal-circuit. A light swinging back into cngagementwith contacts the trolleyleaves contact G. L, Fig'..2 shows practically the 4same arrange- 1nent,except that instead of mounting the contact-plates G andv G on insulators carried by 'the trolley-wire those contacts are placed between the rails and suitably' insulated. With this arrangementy the :car-carries a contact- 'brush L, which makes contactwith the plates with plate G, magnet H is energized by ycur-v rent flowing from the trolley. through wires 7 signal, asin-Fig. 1. lhesignal remains set when the brush leaves plate G, and when the Vbrush makesicontact with plate G magnet Il' is energized bycurrent iowing `from the trolley Ithrough wires 9 and .10 to the returnconductorand edecting the operation, of the switch to open'the signal-circuit.

It will be understood thatany form of switch may be substituted for that shown without departing from the spirit of my in'vention'and ethat the invention may be applied to underground contact systems as' well as overhead systems.-

`l. In an electric railway, the combination "with the main or working conductors,` o fjan yelectromagnetic signal-controller connected between one of the main orworliing conductors and two ldistant contact-plates located in close` proximity tothe same conductorjjand which contact-plates-are adapted to be elec- .T'ftrical'ly and successively connected with the other main or workin g conductor through the circuit 5 6.l WVhen the trolley rides off the attracts its armature andoperates the switchi,l

spring S i's provided to prevent the switch and 8 to the returnconductor and effects the closing ci theswiteh andthe operation of the J and 'J' when magnet H is denergized as Giand G'. When the brush L lmakes contact contact devices and circuit connections of a moving vehicle, substantially as set forth.

2; In an electric railway, the combination with the main or working conductors, of two 5 electromagnets for controlling a signal, said magnets being independently connected between one of the main or working conductors and two distant contact-plates located in close pronfnnity to the same conductor, and which 1o contact-plates are/adapted to beA electrically and successively connected with the other main or working conductor through the contact devices and circuit connections of a moving vehicle, substantially as set forth.

3. In an electric railway, the combination with the main or working conductors, of a signabcircuit, an electromagnetic device forcentrolling'saidgsignal-circuit, said device being connected Abetween one of the main or work- 'ing conductors and two distant contact-plates located in close proximity to the same conductor andw'nich lcontact-plates are adapted to be electrically and successively connected withthe other' main or working conductor through the cent-act devices and circuit connections of fa moving vehicle, substantially as set forth. /if In an electric railway, the combination with the main or working conductors, efa

signal-circuit,l two electromagnets for con- 3o trolling said signal-circuit, said magnets being independently connected between one of the main or working conductors land two distant contact-plates located in 'elose `proximity to the same conductor and which contact- 3 platesare'adapted to be electrically and successively connected with thev other main' o1: working conductor through the contact devices and circuit connections of a moving ve hicle, substantially as set forth..

5. In an electric railway, the combination with the main or .working conductors, of a signalfcircuit, a swtehfor controlling said circuit, an electromagnetic device for oper* ating sai@` switch, said device being connected between one of the main u0r Working condire- -tors and-two distant contactlplates located in close proximity to the same conductor and f which contact-plates are adapted to be elec- ,trically and successively connected with the.v

5o Votherl main or working conductor through the contact devices and circuit connections of a moving vehicle, substantially asset forth.

G. In an electric railway, the combination with the main or working conductors, of a signal-circuit, a switch for controlling said circuit, two electromagnets for operating said switch,said magnets beingindependentlyconnected between one of ,the main or working conductors and two distant contact-plates located in close proximity tothe saine conductor and which contact-plates are adapted to be electrically and successively connected with the other main or workin g conductor through the Contact devices and circuit connections of a moving vehicle, substantially as set' forth.

7. In an electric railway, the combination with the main or working conductors, ola signal-circuit connected across said conductors, a switch for controlling the signal-circuit, an electromagnetic device for operating said switch, said device being connected be tween one of the main or working condnctors and two distant contact-plates located in close proximity to the same conductor and which contact-plates are adapted to be electrically and successively connected with the other main or working conductor th rough the contact devices and circuit connections of a moving vehicle, substantially as set forth.

8. In an electric railway, the combination with the main or working conductors, of a signal-circuit connected across said conductors, a switch for controllingv the signaleeircuit, two electromagnets for operating said switch, said magnets being independently connected between one of the main or worklnections of a moving vehicle, substantially as set forth.

This specification signed and itnessed this 13th day of February, 1897.

, WILLIAM'II.JORDAN. lVitn'esses: 4

W. PELZER, S. '0. EnMoNns. 

